Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7293759 | Access space cover lifting device | Paul McMullan | 2007-11-13 |
| 4991893 | Manhole cover lifting device | Russell B. Gordon, Jimmy A. Gordon | 1991-02-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7293759 | Access space cover lifting device | Paul McMullan | 2007-11-13 |
| 4991893 | Manhole cover lifting device | Russell B. Gordon, Jimmy A. Gordon | 1991-02-12 |